NZ187276A - Ripple control relay deriving differencefrequency below mains frequency - Google Patents

Ripple control relay deriving differencefrequency below mains frequency

Info

Publication number
NZ187276A
NZ187276A NZ187276A NZ18727678A NZ187276A NZ 187276 A NZ187276 A NZ 187276A NZ 187276 A NZ187276 A NZ 187276A NZ 18727678 A NZ18727678 A NZ 18727678A NZ 187276 A NZ187276 A NZ 187276A
Authority
NZ
New Zealand
Prior art keywords
differencefrequency
control relay
mains frequency
ripple control
deriving
Prior art date
Application number
NZ187276A
Other languages
English (en)
Inventor
A Bazin
A J Ley
Original Assignee
Enertec
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB20563/77A external-priority patent/GB1598813A/en
Application filed by Enertec filed Critical Enertec
Publication of NZ187276A publication Critical patent/NZ187276A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/20—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for producing frequency-selective operation of the relay
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • G01R21/1333—Arrangements for measuring electric power or power factor by using digital technique adapted for special tariff measuring
    • G01R21/1335—Tariff switching circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
    • H02J13/00009—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission using pulsed signals
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Measurement Of Current Or Voltage (AREA)
NZ187276A 1977-05-16 1978-05-15 Ripple control relay deriving differencefrequency below mains frequency NZ187276A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB20563/77A GB1598813A (en) 1977-05-16 1977-05-16 Remotely-controllable relays
GB3965277 1977-09-23

Publications (1)

Publication Number Publication Date
NZ187276A true NZ187276A (en) 1981-03-16

Family

ID=26254742

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ187276A NZ187276A (en) 1977-05-16 1978-05-15 Ripple control relay deriving differencefrequency below mains frequency

Country Status (7)

Country Link
US (1) US4232298A (en))
AU (1) AU518265B2 (en))
BR (1) BR7803082A (en))
CH (1) CH626477A5 (en))
DE (1) DE2821416A1 (en))
FR (1) FR2396447A1 (en))
NZ (1) NZ187276A (en))

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5581229A (en) * 1990-12-19 1996-12-03 Hunt Technologies, Inc. Communication system for a power distribution line
KR100234418B1 (ko) * 1997-09-24 2000-01-15 윤종용 원격제어용 수신장치
JP4933733B2 (ja) * 2005-01-11 2012-05-16 株式会社アドバンテスト 信号伝送システム、信号出力回路基板、信号受信回路基板、信号出力方法、及び信号受信方法
AU2017228556B2 (en) * 2016-09-14 2023-06-22 Rheem Australia Pty Limited Water Heater Controller
CN109639253B (zh) * 2018-12-13 2023-03-07 广州海格通信集团股份有限公司 一种电感可复用的小型化谐波滤波器

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB586182A (en) 1944-11-27 1947-03-10 Standard Telephones Cables Ltd Improvements in or relating to remote controlled selecting arrangements
FR1257430A (fr) * 1960-05-19 1961-03-31 Zellweger Uster Ag Procédé et dispositif pour la transmission de signaux de télécommande à l'aide d'impulsions de commande superposées au courant fort dans des réseaux d'alimentation
CH422954A (de) 1965-05-24 1966-10-31 Landis & Gyr Ag Rundsteueranlage
CH424968A (de) 1965-08-04 1966-11-30 Zellweger Uster Ag Verfahren und Vorrichtung zur Steuerung von elektrischen Apparaten mit Hilfe von insbesondere tonfrequenten Impulsen, die dem Starkstromnetz überlagert werden
GB1150122A (en) 1967-01-05 1969-04-30 G R Designs Ltd Radio Alarm System
US3493934A (en) 1967-01-06 1970-02-03 Ibm Tone decoder having plural reference tones
SE324839B (en)) * 1969-07-29 1970-06-15 Asea Ab
FR2058678A5 (fr) * 1969-09-22 1971-05-28 Commissariat Energie Atomique Procede de mesure de la difference de deux frequences voisines et frequencemetre differentiel comportant application dudit procede
US3636446A (en) * 1970-03-04 1972-01-18 H B Engineering Corp Receiver for detecting signals within a predetermined bandwidth
US3659212A (en) * 1970-06-16 1972-04-25 Honeywell Inc Notch filter
US3876951A (en) * 1972-01-26 1975-04-08 Johnson Service Co Digital filter circuits
FR2144400A5 (en)) * 1972-06-30 1973-02-09 Schlumberger Compteurs
FR2191375B1 (en)) 1972-06-30 1977-07-22 Schlumberger Compteurs
US3866124A (en) 1973-06-21 1975-02-11 Keith H Wycoff Communication system incorporating signal delay
DE2413460C3 (de) 1974-03-20 1978-08-17 Si Handling Systems, Inc., Easton, Pa. (V.St.A.) Transportkarrensystem
US4021653A (en) * 1975-10-14 1977-05-03 Motorola, Inc. Digital programmable tone detector
US4017801A (en) * 1976-03-22 1977-04-12 Hewlett-Packard Company Low frequency triangular waveform generator
US4127824A (en) * 1977-04-04 1978-11-28 Motorola, Inc. Sampling filter-detector

Also Published As

Publication number Publication date
CH626477A5 (en)) 1981-11-13
AU518265B2 (en) 1981-09-24
AU3582678A (en) 1979-11-08
BR7803082A (pt) 1979-03-13
US4232298A (en) 1980-11-04
FR2396447A1 (fr) 1979-01-26
DE2821416A1 (de) 1978-11-30

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